SPECLED Sol Beam 240W Linear LED Grow Light
Specifications
| Led grow lamp power: | 240W |
| Input voltage range: | 100V - 305V AC, 142V - 431V DC |
| Installed LEDs: | Seoul Semiconductor, Osram Osconiq 660nm |
| Light temperature: | 3600K |
| Color rendering index - CRI: | 96 Ra |
| Viewing angle: | 120° |
| Dimming: | Built-in 100kOhm potentiometer |
| Length: | 1003mm (39.5") |
| Width: | 250mm (9.9") |
| Height: | 50mm (2") |
| Weight: | 3.7kg |
Full Description
Features of the Sol Beam 240W Linear LED Grow Light
The "Sol Beam 240W" linear LED grow light is built on Sol Beam V3 (third generation) LED modules. High-efficiency white Seoul Semiconductor 3500K + 5000K LEDs and 660 nm Osram OSCONIQ P3737 (GH PUSRA2.25) LEDs with a rated output of 6 µmol/s ensure maximum lamp efficiency.
The grow light features a linear form factor with a length of 1003 mm. It is perfectly suited for grow tents of the following sizes:
- 40×120 cm (0.48 m²);
- 50×120 cm (0.6 m²);
- 60×120 cm (0.72 m²);
- 80×120 cm (0.96 m²) — 2 lamps;
- 120×120 cm (1.2 m²) — 3 lamps (ideal for light-demanding plants).
The effective lighting footprint ranges from 0.4 to 0.7 m² (square shape). The grow light provides a full spectrum, making it suitable for all types of light-demanding plants and for the entire plant growth cycle.
Cooling is passive, utilizing massive aluminum profiles with protective transparent acrylic inserts.
The brightness is adjustable from 10% to 100% using a built-in dimmer (100 kOhm potentiometer).
The video review below features the lamp equipped with Sol Beam V1 (first generation) modules: at that time, 660 nm Samsung LH351 V2 LEDs were used, which are less efficient than the modern Osram OSCONIQ diodes. The video review will be updated as soon as possible.
Universal 240W linear grow light, 1003x250mm. Growbox light.
Additional Information
Who is the Sol Beam 240W LED Grow Light for?
The Sol Beam 240W LED grow light is built for growers who prioritize real results over marketing gimmicks. Its linear form factor (1003 mm long) provides a uniform light footprint without dark edges—a common limitation of square fixtures in elongated grow tents (e.g., 40×120 or 60×120 cm). The lamp features a full spectrum enhanced by a 660 nm peak, making it highly effective for all plant growth phases: from seedlings and vegetation to active flowering and fruiting.
Why the right spectrum matters
White Seoul Semiconductor (3500K + 5000K) LEDs provide a balanced foundation with a high color rendering index (CRI 96), mimicking sunlight. A reinforced red peak using top-tier Osram OSCONIQ 660 nm diodes drives robust flowering and denser inflorescences. Plants utilize this wavelength most efficiently for photosynthesis, so adding 660 nm significantly boosts final yields compared to standard "white-only" panels.
Passive cooling: silence and reliability
The massive aluminum profile dissipates heat efficiently without any fans. This translates to absolute silence in your living space, no moving parts to wear out, and protection against dust that fans typically draw inside. The LEDs are shielded by transparent acrylic inserts, protecting them from moisture and debris.
Flexibility for your grow setup
The built-in dimmer allows for smooth power adjustment from 10% to 100%. You can reduce intensity for young plants and ramp it up to full power during peak flowering. A single lamp effectively covers an area from 0.4 to 0.7 m². By adjusting the hanging height and brightness, you can easily tailor the microclimate to any crop, whether it's herbs, tomatoes, strawberries, or light-loving exotic plants.
Sol Beam 240W line is a professional tool for those who measure light quality with a spectrophotometer, not with marketing brochures.
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